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3 years ago

A quadrilateral has angles that measure 101°, 133°, and 76°.

Mathematics

1 answer:

3241004551 [841]3 years ago

6 0

It would be: 360- (101+133+76)

360-310 = 50 degree hope it helps

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Zach solves the system x+y=-3 , x-y=1 and finds the solution (1,-2) use a graph to explain whether Zach's solution is reasonable

Viefleur [7K]

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
x-y=1 (1)
x+y=3 (2)
Add (1) and (2) to eliminate y:
x- y + x - y =1 + 3
2x = 4
x = 4/2

x = 2
Substitute x = 2 into (1) to find y:
2 + y = 3
y = 3 - 2
y = 1
The solution is (2, 1)

6 0

3 years ago

What is the name of point C? Point A is the Radius.

san4es73 [151]

Answer:

Point C = Center of the Circle

Hope this helps!

3 0

3 years ago

Look at this diagram:

vodka [1.7K]

Answer:

Angle e = Angle a
Angle f = Angle c
Angle a, b and c add upto 180° , as they are on straight line.
therefore Angle e , f and b also add upto 180°

i hope it helped 

7 0

3 years ago

ioda

Answer:

1. 4(x - 3) = 32

4x - 12 = 32

4x = 44

x = 11

2. 12(2x + 4) = 24

24x + 48 = 24

24x = -24

x = -1

3. 3(3s + 4) = 21

9s + 12 = 21

9s = 9

s = 1

4. 3(c - 2) = 2(c + 3)

3c - 6 = 2c + 6

c - 6 = 6

c = 12

5. 12(r - 3) = 6(r + 3)

12r - 36 = 6r + 18

6r - 36 = 18

6r = 54

r = 9

6. 2(x+5) = 30

2x + 10 = 30

2x = 20

x = 10

7. 3(b+2) = 6(b-2)

3b + 6 = 6b - 12

6 = 3b - 12

18 = 3b

6 = b

8. 4(c-2) = 16

4c - 8 = 16

4c = 24

c = 6

9. 7(y+2) = 28

7y + 14 = 28

7y = 14

y = 2

10. 4(d-2) = 2(d+3)

4d - 8 = 2d + 6

2d - 8 = 6

2d = 14

d = 7

11. 5(L+5) = 35

5L + 25 = 35

5L = 10

L = 2

7 0

2 years ago

Using synthetic division find k, k does not equal 4.<img src="https://tex.z-dn.net/?f=P%28x%29%3D3x%5E3-6%20x%5E%7B2%7D%20-6x-24

EastWind [94]

Dang. That's a complicated one. Your right it does not equal exactly 4.

x ≈ 3.3251

7 0

3 years ago